A54SX08-1FGG144I - 12K Gate FPGA 144-FBGA | Microchip
MPN: A54SX08-1FGG144I ✓ Active| Qty | Unit Price | Extended |
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Drop-in alternatives for A54SX08-1FGG144I — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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A54SX08-2FGG144I
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View Datasheet →A54SX08-1FGG144I Maximum Ratings & Electrical Characteristics
| System Gates | 12000 gates |
| Logic Elements | 768 |
| Logic Cells | 512 |
| User I/O | 111 |
| Maximum System Frequency | 280 MHz |
| Process Technology | 0.35 um |
| Supply Voltage (Core) | 3.3 V |
| I/O Voltage Support | 3.3 V / 5 V |
| Speed Grade | -1 |
| Programmability Type | Antifuse, nonvolatile, one-time programmable |
| Package | 144-ball FBGA (FGG144) |
| Mounting Type | Surface Mount |
| Temperature Grade | Industrial (I suffix) |
| Lead Free | Yes |
| Family | Actel SX (54SX) Family FPGAs |
A54SX08-1FGG144I 144-ball fbga (fgg144) Pin Configuration Guide
Complete pinout information for A54SX08-1FGG144I (144-ball fbga (fgg144) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for A54SX08-1FGG144I.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
A54SX08-1FGG144I is suitable for 6 applications: Industrial Embedded Control, Glue Logic Consolidation, Communication Interface Bridging, Legacy Design Sustainment, Aerospace-Adjacent Industrial Systems, Test and Measurement Instrumentation.
Industrial Embedded Control
The A54SX08-1FGG144I fits industrial embedded control because its 12,000 system gates and 111 user I/Os are sufficient to consolidate PLC-style sequencing, state machines, and peripheral interface logic into one instant-on antifuse device, eliminating external boot-flash delay required by SRAM FPGAs. In a typical deployment the FPGA sits between a microcontroller and 3.3V/5V industrial I/O, exploiting its 5V-tolerant inputs to interface legacy sensors and actuators directly. The industrial (I) temperature variant supports uncontrolled factory-floor enclosures, and the 280 MHz capability provides timing headroom for deterministic control loops. Because antifuse configuration is fixed, logic behavior is immune to configuration upsets, a benefit in noisy motor-drive environments where SRAM configuration corruption is a known failure mode.
Recommended
Glue Logic Consolidation
Legacy boards often accumulate discrete 74-series logic, PALs, and CPLDs; the A54SX08-1FGG144I consolidates this glue logic into a single 144-ball FBGA with 12,000 gates and 768 logic elements. Its sea-of-modules architecture provides the fine-grained C-cell/R-cell structure well suited to random decode logic, bus interfacing, and address mapping where coarse-grained LUT architectures are inefficient. The 111 user I/Os allow many formerly separate bus interfaces to terminate at one device, reducing BOM count and board area. Because it is nonvolatile and requires no configuration device, the replacement part powers up functional within microseconds, matching the behavior of the TTL-style logic it replaces. The compact 0.5 mm-pitch FBGA keeps the consolidated footprint small enough to retrofit into existing board outlines.
Recommended
Communication Interface Bridging
The A54SX08-1FGG144I serves as a protocol and interface bridge in industrial and legacy communication equipment, where its 280 MHz system capability comfortably supports common interface clocks and its 5V-tolerant I/O connects to older line-side circuitry. A typical implementation bridges a parallel microprocessor bus to serial peripherals or maps UART, SPI-like, and parallel status interfaces onto one device, using the SX family's predictable routing to meet fixed latency targets. The antifuse fabric's low, deterministic interconnect skew simplifies timing closure for bridge functions compared with SRAM FPGAs of the same era. Place series termination on the 3.3 V I/O banks and follow the 54SX datasheet's I/O banking guidelines to keep simultaneous-switching noise within limits on the 144-ball package.
Recommended
Legacy Design Sustainment
For teams maintaining Actel SX-A based products, the A54SX08-1FGG144I is the exact MPN specified in thousands of shipping designs, and its same-package speed/temperature variants provide form-fit-function substitution when the exact speed bin is unavailable. Sustaining engineers can drop in A54SX08-2FGG144I for faster timing margin or commercial-grade FGG144 variants where the enclosure is temperature controlled, using the identical PCB footprint and the original design source compiled with Libero/MDesigner tooling. Since the device is one-time-programmable, maintain a programming fixture and validated fusemap files as part of the sustainment kit. XAIPART stocks multiple FGG144-family variants, enabling same-footprint risk mitigation for end-of-life roadmaps on mature industrial products.
Recommended
Aerospace-Adjacent Industrial Systems
The SX family's antifuse technology is derived from the same nonvolatile architecture Microchip uses in its radiation-tolerant RTAX space FPGAs, which is why the A54SX08-1FGG144I appears in industrial systems adjacent to aerospace programs, such as ground equipment, test benches, and instrumentation for satellite assemblies. In these systems the instant-on, configuration-upset-immune behavior matters: the antifuse fabric cannot lose its configuration under radiation-induced or electrical upset, unlike SRAM FPGAs that require external configuration scrubbing. The industrial temperature grade, 12,000-gate capacity, and 111 I/Os cover telemetry formatting, timing generators, and interface adaptation roles. Designers should still apply conventional single-event and total-dose derating analysis, since this specific MPN is not itself radiation-qualified.
Recommended
Test and Measurement Instrumentation
The A54SX08-1FGG144I is well matched to instrumentation backplanes and stimulus/response logic where deterministic, instant-on behavior is required at power-up. Its 280 MHz capability supports fast counter, comparator, and pattern-generator implementations, while the 768 logic elements and predictable C-cell/R-cell timing allow engineers to compute precise timing budgets from the datasheet's derated routing tables rather than relying on statistical delay models. The 5V-tolerant I/O connects directly to legacy instrumentation buses such as parallel status and trigger lines operating at TTL levels. In a typical bench instrument, the FPGA handles trigger arbitration and bus interfacing while a microcontroller manages the user interface, with the antifuse configuration guaranteeing identical behavior on every power cycle for repeatable measurements.
Recommended
Recommended Products Summary
Engineering reference data for A54SX08-1FGG144I — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | A54SX08-2FGG144I | A54SX08-FGG144I | A54SX08-2FGG144 | A54SX08-FGG144 |
|---|---|---|---|---|---|
| Package | 144-ball FBGA (FGG144) | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same | 144-ball FBGA (FGG144) - same |
| Brand | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) | Microchip Technology (Actel) |
| System Gates | 12,000 | 12,000 | 12,000 | 12,000 | 12,000 |
| User I/O | 111 | 111 | 111 | 111 | 111 |
| Speed Grade | -1 | -2 (faster) | base | -2 (faster) | base |
| Temperature Grade | Industrial (I) | Industrial (I) | Industrial (I) | Commercial | Commercial |
| Core / I/O Voltage | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V | 3.3 V / 3.3V-5V |
| Programmability | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP | Antifuse, nonvolatile, OTP |
Key Differentiators
- Lowest-cost timing bin for the 12K-gate FGG144 device (vs A54SX08-2FGG144I)
- Industrial temperature rating in the exact production footprint (vs A54SX08-2FGG144)
- Nonvolatile antifuse fabric eliminates configuration devices (vs A54SX08-FGG144)
Design Notes
The 144-ball FGG144 package uses approximately 0.5 mm ball pitch, requiring controlled-impedance, fine-pitch BGA land patterns and typically 4+ layer PCB stackups with via-in-pad or dog-bone fanout. Follow IPC-7351 BGA land-pattern guidance for your fab capability, and verify the ball map against the 54SX Family datasheet package table before releasing the footprint - the 111 user I/Os plus power/ground balls vary across the SX-A family members. Estimated: a typical FGG144 fanout region needs roughly 20 mm x 20 mm of board area including decoupling.
The A54SX08 uses a 3.3 V core supply with 3.3V/5V tolerant I/O. Decouple each power/ground ball pair with 0.1 uF ceramic capacitors placed within a few millimeters of the package, plus bulk 10 uF capacitance near the supply entry. Antifuse SX devices draw static current largely independent of configuration, so power estimates from Microchip's SX power calculator should use your actual toggle-rate data. Do not exceed the datasheet's 5V-tolerant I/O conditions - inputs above the absolute maximum ratings will damage the antifuse fabric permanently, since the device cannot be reprogrammed after damage either.
The most common pitfall with this part is treating it like an SRAM FPGA: it is one-time-programmable, so a design bug discovered after programming destroys the device. Always validate timing in simulation against the -1 speed grade derated values from the 54SX datasheet, program a small quantity of engineering units first, and retain the exact fusemap file with revision control. When substituting the -2 speed grade for shortage relief, remember the faster device changes timing margins - re-run static timing before releasing the substitution to production.
Compliance Information
PCB Electronics Supply Chain lists the part as LEAD FREE. RoHS/REACH/halogen status for this exact MPN should be confirmed via the official Microchip environmental certificate.
